Alcohol and Other Drugs

Being on a national wildlife refuge national wildlife refuge
A national wildlife refuge is typically a contiguous area of land and water managed by the U.S. Fish and Wildlife Service  for the conservation and, where appropriate, restoration of fish, wildlife and plant resources and their habitats for the benefit of present and future generations of Americans.

Learn more about national wildlife refuge
when under the influence of alcohol or a controlled substance, to a degree that may endanger oneself or other persons or property or unreasonably annoy persons, is prohibited. Delivery of a controlled substance is prohibited, except when being delivered by a practitioner in accordance with applicable law. Possession of a controlled substance is prohibited unless such substance was obtained by the possessor directly, or pursuant to a valid prescription or order, from a practitioner acting in the course of his professional practice, or except as otherwise authorized by applicable law.

Citation
50 CFR 27.81 and 50 CFR 27.82(b)
Related Programs
The U.S. Fish and Wildlife Service manages an unparalleled network of public lands and waters called the National Wildlife Refuge System. With more than 560 refuges spanning the country, this system protects iconic species and provides some of the best wildlife viewing opportunities on Earth.